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yanyan
yanyan
yanyan

  
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User Name:.................... yanyan
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  • Created On: 6/24/2020 8:48:19 AM  Reply
    Composition of main vacuum system : Composition of main vacuum system

    The vacuum system in the vacuum gas phase drying equipment includes two parts: the main vacuum system and the lea...

  • Created On: 6/24/2020 8:47:01 AM  Reply
    Preheating of vacuum pump before starting : Preheating of vacuum pump before starting

    The vacuum pump for transporting hot petroleum products shall be preheated evenly before starting. Prehea...

  • Created On: 6/24/2020 8:43:04 AM  Reply
    Main use of water jet pump : Main use of water jet pump

    ? It is used in vacuum distillation, concentration, dehydration, decolorization, drying, crystallization, filtration, de...

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